Harmonized Tariff Schedule of the U.S. › Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement
2518.20.00.00Tariff line
Classification path
Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
2518
Calcined or sintered dolomite
2518.20.00.00
Rates of duty
General rate (Column 1)3%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 230%
Unitt
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1352
Measure flags
for origin CN, entry date 2026-10-25 · base rate 3%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2518.20.00 is on L3
Confirmed total 40.5% · max 40.5%Full duty breakdown →